Ie

===verb===
defective verb, only second-person present imperative, no subjunctive or indicative
#Look [at this]! See [this]!
#Take heed, listen 
#Watch and learn. 
#Pay attention [to someone or something specified]!
#Focus! Concentrate!
#(World Wide Web) Click [here], check [this out]
# Come (a request or invitation to move toward the speaker)
from iej, take notice of, observeCategory:Defective verbsCategory:Attention words
Category:Factives