～(に) ついて
～(に) ついて · ～(ni) tsuite · JLPT N4 · noun
about
📎 ついて = attaching: に + 付く (to stick to) in its て-form
ついて comes from the verb 就く/付く, to attach or stick to. Xについて literally says attaching to X, so the talk stays stuck to that topic: about X, concerning X. Sound hook: tsuite ends like a tweet, and a tweet is always about something.