"Deep" generally refers to something that is far down, far below the surface, or extending a long way inward or within. It can also describe something that is profound, intense, or thoughtful in nature. Full definition
Babies sleeping next to mom spend less time in deep stages of sleep (stages three and four), and they also wake up more often. (babble.com)
You look into deep into resume writing techniques and you will come across a lot of conflicting statements about what constitutes a good resume. (coverlettersandresume.com)
That an experienced coach with deep understanding of your game will deliver consistent improvement. (golftec.com)