ACTIONVIEW
ActionView is a component of the Ruby on Rails web framework that handles the presentation layer by rendering templates, partials, and layouts. It provides helpers to generate HTML and other content and integrates with the controller to present data to users.
Templates may be written in various template languages, such as ERB, Haml, or Slim, and are stored
ActionView includes a rich set of helpers (ActionView::Helpers) for tasks such as generating forms, links, tags,
Data flow: a controller action prepares data, calls render, and ActionView combines the selected template with
Caching and performance: ActionView supports fragment caching of template fragments to avoid recomputation, and view caching
ActionView is designed to work closely with ActionController but is usable in standalone contexts, and remains