Kdenlive/Manual/Clip Menu/Clip in Timeline
Clip In Timeline
This menu item is available from right-click on a clip in the Project Tree or under the Project menu when a clip is selected in the Project Tree.
Selecting the menu item causes instances where the clip in question is being used to be selected in the timeline. This is useful for navigating the clips in the Project Tree and their relationship to clips on the timeline. This option will be greyed out if the clip is not being used in the timeline.
See also found by right-clicking on a clip in the timeline.