How to start to sequence chapters

I am to the point where I need to start sequencing my chapters that I have randomly written in my files. I would like some advice as to how to split up these chapters (i.e. add, subtract, delete… or move paragraphs or groups of paragraphs to different chapters or files and start organizing in a sequential fashion.

Have you looked at the Tutorial project, available from the Help menu? It’s a good overview of the commands available for such tasks.