To write contents for a help file follow these steps:
Write rtf files for each item, which need help. Last symbol should be "}" in these files. Everything, that follows it is necessary to remove. After the description of fonts and others parameters of the text, you should insert a line #{\footnote } <topic_name> is name of help page for your item. Create a help file by using the program hcw.exe, which is included in a Delphi package. Create a file with expansion cnt. It will be content of your help file.