The symbol 🔰, used to indicate that someone is a beginner, in particular a learner driver (see L-plate).

beginner (someone who has recently begun learning something new) / (Internet slang) noob

the way in which one is careful, thoughtful; prudent, discreet

the quality in which one is careful, thoughtful; prudence, discretion

there are many, there is much, there are numerous

many, much

multi-

driving, steering (a vehicle)

to drive

mark, symbol, insignia / a trademark, service mark / (computing) short for マークアップ (mākuappu, “markup”)