How do guidance counselor recommendations work? Common APP

Some of the colleges that I am applying to require a recommendation letter by a guidance counselor. On the common app, there is a a form called a counselor recommendation. i looked at it and it’s really short with only a few generic questions like how long have you known the student and in what context? & What are the first words that come to mind to describe the student? Is this all that my counselor has to fill out for the recommendation part? Do they have to attach a longer letter with it? And also why does my common app have a check next to where it says “Recommendations and FERPA” but I don’t think my counselor filled out any forms yet? It only says invited next to my counselor’s name, how will I know when they finished the forms? Thanks.