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 asminor. Useedit 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]