>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help Primer

# Checkpoint A

At this point you should understand:

- how to use the J Dictionary vocabulary
- terms such as word, sentence, noun, verb, ambivalence, dyad, monad

Check your understanding by doing the following exercises:

- look up the definition of the monads `+: *: -: %:` in the J Dictionary
- experiment with these new monads

>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help Primer