# Tooltips
Tooltips are used to provide context information when editing the model. They can be found when hovering over an item of interest. The following items provide tooltips:
Deployment (drawing) area, when hovering
- a component
- an input port of a component
- an output port of a component
- the event listener item of a component
- the event trigger item of a component
- an event channel line
Property editor, when hovering
- a property key
Input port editor, when hovering
- a property key
Output port editor, when hovering
- a property key
Event channel editor, when hovering
the column heading of event trigger or event listener
an entry of an event trigger or event listener
Components menu, when hovering
- a menu item
Components search, when hovering
- a search result item