You can look up the glossary here for phrasal verbs.
Basically you have more than one word, hence its a "phrase".
Transitive verbs points to the fact that the verb used is logically self-sufficient different to intransitive verbs which are always accompanied by a preposition.
Transitive verb: Keralite likes apples.
Intransitive verb : Keralite spoke to mxreader.
Now you should see why in the above glossary for phrasal verbs that intransitive verbs are grouped there.