diff --git a/config/p10k-classic.zsh b/config/p10k-classic.zsh
index 42074978..758928cb 100644
--- a/config/p10k-classic.zsh
+++ b/config/p10k-classic.zsh
@@ -114,7 +114,7 @@ fi
   typeset -g POWERLEVEL9K_NODENV_PROMPT_ALWAYS_SHOW=false
 
   # Show node version only when in a directory tree containing package.json.
-  typeset -g P9K_NODE_VERSION_PROJECT_ONLY=true
+  typeset -g POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY=true
 
   # Kubernetes context classes for the purpose of using different colors with
   # different contexts.
diff --git a/config/p10k-lean.zsh b/config/p10k-lean.zsh
index 94b2abd2..b7fe9060 100644
--- a/config/p10k-lean.zsh
+++ b/config/p10k-lean.zsh
@@ -1,5 +1,5 @@
-# Config for Powerlevel10k with lean prompt style. Doesn't require a Powerline font.
-# The color scheme is suitable for dark terminal background.
+# Config for Powerlevel10k with lean prompt style. Doesn't require a custom font but can take
+# advantage of it if available. The color scheme is suitable for dark terminal background.
 #
 # Once you've installed Powerlevel10k, run these commands to apply lean style.
 #
@@ -89,8 +89,12 @@ fi
   # such as POWERLEVEL9K_LOCK_ICON='⭐'. This will change the icon in every segment that uses
   # LOCK_ICON as default icon. If this paragraph looks confusing, forget what it says.
   #
+  # Note: You can use $'\u2B50' instead of '⭐'. It's especially convenient when specifying
+  # icons that your text editor cannot render. Don't forget to put $ and use single quotes when
+  # defining icons via Unicode codepoints.
+  #
   # Note: Many default icons cannot be displayed with system fonts. You'll need to install a
-  # Powerline font to use them. See POWERLEVEL9K_MODE below.
+  # capable font to use them. See POWERLEVEL9K_MODE below.
   typeset -g POWERLEVEL9K_VISUAL_IDENTIFIER_EXPANSION=
 
   # This option makes a difference only when default icons are enabled for all or some prompt
@@ -240,7 +244,9 @@ fi
   #
   #   ⌂ ~/best/powerlevel10k
   #
-  # You can also set different colors for directories of different classes.
+  # You can also set different colors for directories of different classes. Remember to override
+  # FOREGROUND, SHORTENED_FOREGROUND and ANCHOR_FOREGROUND for every directory class that you wish
+  # to have its own color.
   #
   #   typeset -g POWERLEVEL9K_DIR_WORK_FOREGROUND=12
   #   typeset -g POWERLEVEL9K_DIR_WORK_SHORTENED_FOREGROUND=4
@@ -280,7 +286,7 @@ fi
   # If P9K_CONTENT is not empty, leave it unchanged. It's either "loading" or from vcs_info.
   vcs="\${P9K_CONTENT:-$vcs}"
 
-  # Branch icon. Set this parameter to '\uF126 ' for the popular Powerline branch icon.
+  # Branch icon. Set this parameter to $'\uF126 ' for the popular Powerline branch icon.
   typeset -g POWERLEVEL9K_VCS_BRANCH_ICON=
 
   # Disable the default Git status formatting.
@@ -334,6 +340,12 @@ fi
   # like this: 1|0. prompt_char is green in this case.
   typeset -g POWERLEVEL9K_STATUS_OK_PIPE=true
   typeset -g POWERLEVEL9K_STATUS_OK_PIPE_FOREGROUND=9
+  # Custom icons.
+  # typeset -g POWERLEVEL9K_STATUS_OK_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_STATUS_OK_PIPE_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_STATUS_ERROR_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_STATUS_ERROR_PIPE_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_STATUS_ERROR_SIGNAL_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ###################[ command_execution_time: duration of the last command ]###################
   # Show duration of the last command if takes longer than this many seconds.
@@ -344,6 +356,8 @@ fi
   typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_FOREGROUND=101
   # Duration format: 1d 2h 3m 4s.
   typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_FORMAT='d h m s'
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   #######################[ background_jobs: presence of background jobs ]#######################
   # Don't show the number of background jobs.
@@ -352,6 +366,8 @@ fi
   typeset -g POWERLEVEL9K_BACKGROUND_JOBS_VISUAL_IDENTIFIER_EXPANSION='⇶'
   # Background jobs icon color.
   typeset -g POWERLEVEL9K_BACKGROUND_JOBS_VISUAL_IDENTIFIER_COLOR=2
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_BACKGROUND_JOBS_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ##########[ nordvpn: nordvpn connection status, linux only (https://nordvpn.com/) ]###########
   # NordVPN connection indicator color when connected.
@@ -361,6 +377,11 @@ fi
   # Uncomment these two lines to hide NordVPN connection indicator when not connected.
   # typeset -g POWERLEVEL9K_NORDVPN_{DISCONNECTED,CONNECTING,DISCONNECTING}_CONTENT_EXPANSION=
   # typeset -g POWERLEVEL9K_NORDVPN_{DISCONNECTED,CONNECTING,DISCONNECTING}_VISUAL_IDENTIFIER_EXPANSION=
+  # Custom icons.
+  # typeset -g POWERLEVEL9K_NORDVPN_CONNECTED_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_NORDVPN_DISCONNECTED_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_NORDVPN_CONNECTING_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # typeset -g POWERLEVEL9K_NORDVPN_DISCONNECTING_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ####################################[ context: user@host ]####################################
   # Context format: user@host.
@@ -372,6 +393,10 @@ fi
   # Don't show context unless running with privileges on in SSH.
   typeset -g POWERLEVEL9K_CONTEXT_{DEFAULT,SUDO}_{CONTENT,VISUAL_IDENTIFIER}_EXPANSION=
   typeset -g POWERLEVEL9K_ALWAYS_SHOW_CONTEXT=true
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_CONTEXT_VISUAL_IDENTIFIER_EXPANSION='⭐'
+  # Custom icon when root.
+  # typeset -g POWERLEVEL9K_CONTEXT_ROOT_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ###[ virtualenv: python virtual environment (https://docs.python.org/3/library/venv.html) ]###
   # Python virtual environment color.
@@ -380,6 +405,8 @@ fi
   typeset -g POWERLEVEL9K_VIRTUALENV_SHOW_PYTHON_VERSION=true
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_VIRTUALENV_{LEFT,RIGHT}_DELIMITER=
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_VIRTUALENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   #####################[ anaconda: conda environment (https://conda.io/) ]######################
   # Anaconda environment color.
@@ -388,32 +415,44 @@ fi
   typeset -g POWERLEVEL9K_ANACONDA_SHOW_PYTHON_VERSION=true
   # Separate environment name from Python version only with a space.
   typeset -g POWERLEVEL9K_ANACONDA_{LEFT,RIGHT}_DELIMITER=
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_ANACONDA_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ################[ pyenv: python environment (https://github.com/pyenv/pyenv) ]################
   # Pyenv color.
   typeset -g POWERLEVEL9K_PYENV_FOREGROUND=6
   # Don't show the current Python version if it's the same as global.
   typeset -g POWERLEVEL9K_PYENV_PROMPT_ALWAYS_SHOW=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_PYENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ##########[ nodenv: node.js version from nodenv (https://github.com/nodenv/nodenv) ]##########
   # Nodenv color.
   typeset -g POWERLEVEL9K_NODENV_FOREGROUND=2
   # Don't show node version if it's the same as global: $(nodenv version-name) == $(nodenv global).
   typeset -g POWERLEVEL9K_NODENV_PROMPT_ALWAYS_SHOW=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_NODENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ##############[ nvm: node.js version from nvm (https://github.com/nvm-sh/nvm) ]###############
   # Nvm color.
   typeset -g POWERLEVEL9K_NVM_FOREGROUND=2
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_NVM_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ############[ nodeenv: node.js environment (https://github.com/ekalinin/nodeenv) ]############
   # Nodeenv color.
   typeset -g POWERLEVEL9K_NODEENV_FOREGROUND=2
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_NODEENV_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ##############################[ node_version: node.js version ]###############################
   # Node version color.
   typeset -g POWERLEVEL9K_NODE_VERSION_FOREGROUND=2
   # Show node version only when in a directory tree containing package.json.
-  typeset -g P9K_NODE_VERSION_PROJECT_ONLY=true
+  typeset -g POWERLEVEL9K_NODE_VERSION_PROJECT_ONLY=true
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_NODE_VERSION_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   #############[ kubecontext: current kubernetes context (https://kubernetes.io/) ]#############
   # Kubernetes context classes for the purpose of using different colors with
@@ -434,8 +473,12 @@ fi
       # '*test*'  TEST    # to match your needs. Customize them as needed.
       '*'       DEFAULT)
   # typeset -g POWERLEVEL9K_KUBECONTEXT_PROD_FOREGROUND=1
+  # typeset -g POWERLEVEL9K_KUBECONTEXT_PROD_VISUAL_IDENTIFIER_EXPANSION='⭐'
   # typeset -g POWERLEVEL9K_KUBECONTEXT_TEST_FOREGROUND=2
+  # typeset -g POWERLEVEL9K_KUBECONTEXT_TEST_VISUAL_IDENTIFIER_EXPANSION='⭐'
   typeset -g POWERLEVEL9K_KUBECONTEXT_DEFAULT_FOREGROUND=3
+  # typeset -g POWERLEVEL9K_KUBECONTEXT_DEFAULT_VISUAL_IDENTIFIER_EXPANSION='⭐'
+
   # Kubernetes context too long? You can shorten it by defining an expansion. The original
   # Kubernetes context that you see in your prompt is stored in ${P9K_CONTENT} when
   # the expansion is evaluated. To remove everything up to and including the last '/',
@@ -444,12 +487,15 @@ fi
   # are very flexible and fast, too. See reference:
   # http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion.
   typeset POWERLEVEL9K_KUBECONTEXT_CONTENT_EXPANSION='${P9K_CONTENT}'
-  # Show the trailing "/default" in kubernetes context.
+  # Show the trailing "/default" in kubernetes context. This makes it easier to define
+  # POWERLEVEL9K_KUBECONTEXT_CONTENT_EXPANSION by making the format of ${P9K_CONTENT} consistent.
   typeset -g POWERLEVEL9K_KUBECONTEXT_SHOW_DEFAULT_NAMESPACE=true
 
   ###############################[ public_ip: public IP address ]###############################
   # Public IP color.
   typeset -g POWERLEVEL9K_PUBLIC_IP_FOREGROUND=144
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_PUBLIC_IP_VISUAL_IDENTIFIER_EXPANSION='⭐'
 
   ################################[ battery: internal battery ]#################################
   # Show battery in red when it's below this level and not connected to power supply.
@@ -467,6 +513,9 @@ fi
   typeset -g POWERLEVEL9K_BATTERY_CHARGED_{CONTENT,VISUAL_IDENTIFIER}_EXPANSION=
   # Don't show the remaining time to charge/discharge.
   typeset -g POWERLEVEL9K_BATTERY_VERBOSE=false
+  # Disable the default icon because POWERLEVEL9K_BATTERY_STAGES is enough to cue the meaning
+  # of this segment.
+  typeset -g POWERLEVEL9K_BATTERY_VISUAL_IDENTIFIER_EXPANSION=
 
   ####################################[ time: current time ]####################################
   # Current time color.
@@ -477,6 +526,8 @@ fi
   # commands will contain the start times of their commands as opposed to the default
   # behavior where they contain the end times of their preceding commands.
   typeset -g POWERLEVEL9K_TIME_UPDATE_ON_COMMAND=false
+  # Custom icon.
+  # typeset -g POWERLEVEL9K_TIME_VISUAL_IDENTIFIER_EXPANSION='⭐'
 }
 
 (( ! p10k_lean_restore_aliases )) || setopt aliases