| be learned(verb, see, have, notice, experience) |
| be master of(verb, see, have, notice, experience) |
| be read(verb, see, have, notice, experience) |
| be schooled(verb, see, have, notice, experience) |
| be versed(verb, see, have, notice, experience) |
| catch on(verb, expression, phrasal verb, get, accept) |
| cognition |
| command(noun, control, understanding, knowledge, rule) |
| concept(noun, understanding, knowledge, perception, acquaintance) |
| differentiate(verb, see, have, notice, experience) |
| discernment(noun, take, understanding, knowledge, mind) |
| discover |
| discriminate(verb, see, have, notice, experience) |
| domination(noun, control, rule) |
| eye(appearance, view, eyesight) |
| feel certain(verb, expression, see, have, notice) |
| field of view(expression, idiom, range, sweep) |
| grip(noun, control, understanding, rule, ability) |
| hatful |
| have down pat(verb, expression, idiom, see, have) |