If you want to reply to the message with 2 colons and someone already is using 3 colons, use 3 colons to reply to the message. --Example1 (talk) 22:09, 30 June 2020 (UTC)[reply]
The thread got too deep. Template {{outdent|::::::}} is used to keep discussions readable. The parameter is the indentation used by previous post, consisting of six colons. --Example2 (talk) 13:00, 26 June 2019 (UTC)[reply]
Note, that the message just above this one is timed only five minutes after the first response at 10:10 to the call for help. --Example1 (talk) 20:00, 26 June 2019 (UTC)[reply]
This indicates that all messages in-between them were added after the message about asterisks. Sometimes, discussions do not follow a single train of thought, and threads about different aspects of the subject branch off. --Example2 (talk) 20:30, 26 June 2019 (UTC)[reply]
If you notice that your signature is missing after saving a page, just add it in another edit. Such edits may be marked as minor. Use edit summary "sign", "forgot to sign", or equivalent to make it clear that this diff does not constitute a new discussion message. --Example1 (talk) 08:20, 27 June 2019 (UTC)[reply]