Answer:

REMINDER

AnswerCrossword Clue
REMINDERString on a finger, e.g.
REMINDERHint
REMINDERString around a finger
REMINDEROnline calendar pop-up
REMINDERNote to self
REMINDERBrain tickler
REMINDERTo-do list item, say
REMINDERString on finger, perhaps
REMINDERString around the finger
REMINDERNote to keep
REMINDERMemo of future action.
REMINDERString on finger.
REMINDERThe string around one's finger.
REMINDERString around the finger.
REMINDERMemo
REMINDERMnemonic device
REMINDERMnemonic
REMINDERMemory-jogger
REMINDERString on the finger, e.g.
REMINDERNote on the fridge, maybe
REMINDERPrompt
REMINDERMemory aid
REMINDERFinger string e.g.
REMINDERPost-it Note, perhaps
REMINDERSouvenir, e.g.