initialnote
nounUK /ɪˈnɪʃəl nəʊt/
US /ɪˈnɪʃəl noʊt/
The first note you write down to remember something.
She wrote an initialnote at the top of the page before starting her story.
OTHER MEANINGS
2. The first musical note in a tune or song.
The initialnote of the song was a soft, low hum.
3. A short early message sent before a longer one.
He sent an initialnote to say the full report would come later.
4. The first comment written in a shared document.
Her initialnote explained what the team should read first.