mod vs plugin

Some examples from the web:

• ... mod-pizza-community-relationships. MOD Music Website Widget. Any Pizza Same Price Order Online. Order Online. Meet The Scottsdale & Shea MOD Squad.
• Mod is a subculture that began in 1960s Britain and spread, in varying degrees, to other countries and continues today on a smaller scale. Focused on music ...
• A mod or modification is the alteration of content from a video game in order to make it operate in a manner different from its original version. Mods can be ...
• Mod, MOD or mods may refer to: ... matters of military defence; Modesto City– County Airport, Stanislaus County, California, US; MOD (0.129 seconds), basic unit ...

Some examples from the web:

• This plugin cannot auto-refresh the current part.
• A plugin to edit GPS track lists.
• Set to true to enable the background settings manager plugin.
• True if the xrandr settings manager plugin is enabled.
• A plugin remains enabled when you quit gedit.
• This plugin sets avi specific video encoding parameters.
• This plugin returns avi encoder specific parameters.
• This plugin returns ffmpeg encoder specific parameters.
• This plugin sets rawframes specific video encoding parameters.
• This plugin returns rawframes encoder specific parameters.
• This plugin sets singleframes specific video encoding parameters.
• This plugin returns singleframes encoder specific parameters.
• This plugin returns rawframes encoder specific parameters.
• No window decoration plugin library was found.
• No greeter widget plugin loaded. Check the configuration.
• A plugin providing the Retinex algorithm for GIMP
• A plugin which loads other plugins written using Python.
• The Remote plugin for Gallery should be 1.0.8 or newer.
• An example plugin written in Vala.
• Whether the plugin should use global settings or its own.