Joining a writing group

So I'm sort of signed up with a faculty writing group. I wasn't able to attend the meeting at which the group's plans were discussed (a bad omen, indeed), but they decided that we would email each other each Friday to report on

• time spent writing
• progress made and accomplishments
• challenges faced, and
• plans and goals.

My biggest problem figuring out what to write about the first one is deciding on what counts as writing. Maybe they talked about that at the meeting.

[Update, 1/26/15: Looks like they did.]