diff --git a/PkgStore.Kernel.psm1 b/PkgStore.Kernel.psm1
index 4138d41..6c19ec9 100644
--- a/PkgStore.Kernel.psm1
+++ b/PkgStore.Kernel.psm1
@@ -1,9 +1,9 @@
-$ModuleManifest = (Get-ChildItem -Path $PSScriptRoot | Where-Object {$_.Extension -eq '.psd1'})
+$ModuleManifest = (Get-ChildItem -Path $PSScriptRoot | Where-Object { $_.Extension -eq '.psd1' })
 $CurrentManifest = (Test-ModuleManifest $ModuleManifest)
 
 $Aliases = @()
-$PrivateFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Private') | Where-Object {$_.Extension -eq '.ps1'})
-$PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Where-Object {$_.Extension -eq '.ps1'})
+$PrivateFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Private') | Where-Object { $_.Extension -eq '.ps1' })
+$PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Where-Object { $_.Extension -eq '.ps1' })
 
 (@($PrivateFunctions) + @($PublicFunctions)) | ForEach-Object {
   try {
@@ -25,10 +25,10 @@ $PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Whe
   }
 }
 
-$FunctionsAdded = ($PublicFunctions | Where-Object {$_.BaseName -notin $CurrentManifest.ExportedFunctions.Keys})
-$FunctionsRemoved = ($CurrentManifest.ExportedFunctions.Keys | Where-Object {$_ -notin $PublicFunctions.BaseName})
-$AliasesAdded = ($Aliases | Where-Object {$_ -notin $CurrentManifest.ExportedAliases.Keys})
-$AliasesRemoved = ($CurrentManifest.ExportedAliases.Keys | Where-Object {$_ -notin $Aliases})
+$FunctionsAdded = ($PublicFunctions | Where-Object { $_.BaseName -notin $CurrentManifest.ExportedFunctions.Keys })
+$FunctionsRemoved = ($CurrentManifest.ExportedFunctions.Keys | Where-Object { $_ -notin $PublicFunctions.BaseName })
+$AliasesAdded = ($Aliases | Where-Object { $_ -notin $CurrentManifest.ExportedAliases.Keys })
+$AliasesRemoved = ($CurrentManifest.ExportedAliases.Keys | Where-Object { $_ -notin $Aliases })
 
 if ($FunctionsAdded -or $FunctionsRemoved -or $AliasesAdded -or $AliasesRemoved) {
   try {
diff --git a/Public/Copy-Data.ps1 b/Public/Copy-Data.ps1
index 3f21d8d..dc0db6c 100644
--- a/Public/Copy-Data.ps1
+++ b/Public/Copy-Data.ps1
@@ -1,8 +1,19 @@
 function Copy-Data() {
   <#
     .SYNOPSIS
+    Copying data.
 
     .DESCRIPTION
+    Copying data using the 'Copy-Item' cmdlet with '-LiteralPath'.
+
+    .PARAMETER SRC
+    Source data.
+
+    .PARAMETER DST
+    Destination.
+
+    .EXAMPLE
+    Copy-Data -SRC 'C:\File.TXT' -DST 'D:\File.TXT'
   #>
 
   param(
diff --git a/Public/Move-Data.ps1 b/Public/Move-Data.ps1
index 39598a8..55bd38e 100644
--- a/Public/Move-Data.ps1
+++ b/Public/Move-Data.ps1
@@ -1,8 +1,19 @@
 function Move-Data() {
   <#
     .SYNOPSIS
+    Moving data.
 
     .DESCRIPTION
+    Moving data using the 'Move-Item' cmdlet with '-LiteralPath'.
+
+    .PARAMETER SRC
+    Source data.
+
+    .PARAMETER DST
+    Destination.
+
+    .EXAMPLE
+    Copy-Data -SRC 'C:\File.TXT' -DST 'D:\File.TXT'
   #>
 
   param(
diff --git a/Public/New-Data.ps1 b/Public/New-Data.ps1
index 1d10623..9c1beb7 100644
--- a/Public/New-Data.ps1
+++ b/Public/New-Data.ps1
@@ -1,8 +1,27 @@
 function New-Data() {
   <#
     .SYNOPSIS
+    Creating data.
 
     .DESCRIPTION
+    Creating data using the 'New-Item' cmdlet.
+
+    .PARAMETER Type
+    The type of data to be created:
+      'D' | Directory.
+      'F' | File.
+
+    .PARAMETER Path
+    The path of the data being created.
+
+    .PARAMETER Name
+    The name of the data to be created.
+
+    .PARAMETER Action
+    Action when creating data.
+
+    .EXAMPLE
+    New-Data -Type 'F' -Path 'C:\DATA' -Name 'File.TXT'
   #>
 
   param(
diff --git a/Public/Remove-Data.ps1 b/Public/Remove-Data.ps1
index dba71cb..c588f3d 100644
--- a/Public/Remove-Data.ps1
+++ b/Public/Remove-Data.ps1
@@ -1,8 +1,16 @@
 function Remove-Data() {
   <#
     .SYNOPSIS
+    Deleting data.
 
     .DESCRIPTION
+    Removing data using the 'Remove-Item' cmdlet with '-LiteralPath'.
+
+    .PARAMETER Path
+    Path to the data to be deleted.
+
+    .EXAMPLE
+    Remove-Data -Path 'C:\File.TXT'
   #>
 
   param(
diff --git a/Public/Test-Data.ps1 b/Public/Test-Data.ps1
index af10b4f..fa6950e 100644
--- a/Public/Test-Data.ps1
+++ b/Public/Test-Data.ps1
@@ -1,8 +1,21 @@
 function Test-Data() {
   <#
     .SYNOPSIS
+    Checking data.
 
     .DESCRIPTION
+    Checking data using the 'Test-Path' cmdlet with '-LiteralPath'.
+
+    .PARAMETER Type
+    Type of data being checked:
+      'D' | Container.
+      'F' | Leaf.
+
+    .PARAMETER Path
+    Path to the data being checked.
+
+    .EXAMPLE
+    Test-Data -Type 'F' -Path 'C:\File.TXT'
   #>
 
   param(
diff --git a/Public/Test-Module.ps1 b/Public/Test-Module.ps1
index d4e466d..709e686 100644
--- a/Public/Test-Module.ps1
+++ b/Public/Test-Module.ps1
@@ -1,8 +1,16 @@
 function Test-Module() {
   <#
     .SYNOPSIS
+    Checking the module.
 
     .DESCRIPTION
+    Checking that the module is loaded correctly.
+
+    .PARAMETER Names
+    Names of the modules being checked.
+
+    .EXAMPLE
+    Test-Module -Names 'Module.Name01', 'Module.Name02', 'Module.Name03'
   #>
 
   param(
diff --git a/Public/Write-Msg.ps1 b/Public/Write-Msg.ps1
index aeae0b0..4e101e1 100644
--- a/Public/Write-Msg.ps1
+++ b/Public/Write-Msg.ps1
@@ -1,8 +1,29 @@
 function Write-Msg() {
   <#
     .SYNOPSIS
+    Display messages.
 
     .DESCRIPTION
+    Display messages depending on their type.
+
+    .PARAMETER Type
+    The type of message to be displayed:
+      'HL' | Write-Host (Title).
+      'I'  | Write-Information.
+      'W'  | Write-Warning.
+      'E'  | Write-Error.
+
+    .PARAMETER Message
+    Contents of the message to be displayed.
+
+    .PARAMETER Action
+    Action when a message is displayed.
+
+    .EXAMPLE
+    Write-Msg -Type 'HL' -Message 'Title message'
+
+    .EXAMPLE
+    Write-Msg -Type 'E' -Message 'File not found!' -Action 'Stop'
   #>
 
   param(