bookmarklike
Bookmarklike is an adjective describing a marker that designates a position within a larger sequence, such as a document, data stream, or media file, and that can be used to return to that position later. A bookmarklike marker may be explicit, such as a named anchor, or implicit, such as an index, timestamp, or line number.
In software, bookmarklike markers support navigation, state restoration, and resumability. Web browsers use bookmarks to store
In data processing and streaming, bookmarklike markers indicate checkpoints or positions to resume processing after interruptions.