Use this tags for questions about operations performed on objects when they are in edit-mode, rather than any of the other modes, such as object , sculpt and weight painting.
A mode available for all renderable object types, as it is dedicated to their “shape” Object Data data-block editing (e.g. vertices/edges/faces for meshes, control points for curves/surfaces, strokes/points for Grease Pencil, etc.).
This tag should be used for questions that are specifically about the operations that can be performed on an object when it is in edit mode.