spread, publicize, announce
佈 centers on making something widely known or available: spreading information, publicizing, or announcing to a broad audience.
佈 combines 亻 (person) with 布 (cloth, spread), suggesting a person spreading or disseminating something. The exact historical development is uncertain, but the component relationship is clear.
A person 亻 spreading out a cloth 布 to display a message: 佈 means to spread, publicize, or announce.
For ホ, imagine a person holding a cloth and shouting 'Ho!' to get attention before making an announcement: Ho -> ホ.