Reply To: Anchor text to frame?

So these intermittent text boxes do not need to “flow” with the rest of the text? Then

1. cut the text out from the flowing text;
2. paste it in a box of its own on the correct page;
3. delete the threaded text frame on that page.

Threaded text will only through in text frames that are threaded together. If you place a box of text anywhere on a page and do not thread it to the flowing story, the text inside it will not move along with the rest.

If you find text moves around unpredictably, then you may have moved text frames out of sequence. Switch on Text Threads in the View window to see what flows from where to where; selecting any frame will show ALL of its threads for the entire text run that it contains.