Verb call back has 4 senses

• call back(v = verb.possession) call in, recall, withdraw - cause to be returned; "recall the defective auto tires"; "The manufacturer tried to call back the spoilt yoghurt"
is one way to take
Derived form noun callback₁
Sample sentence:
Somebody ----s something

• call back(v = verb.cognition) call up, recall, recollect, remember, retrieve, think - recall knowledge from memory; have a recollection; "I can't remember saying any such thing"; "I can't think what her last name was"; "can you remember her phone number?"; "Do you remember that he once loved you?"; "call up memories"
Sample sentences:
Somebody ----s something
Somebody ----s that CLAUSE
Somebody ----s VERB-ing

• call back(v = verb.communication) Array - return or repeat a telephone call; "I am busy right now--can you call back in an hour?"; "She left a message but the contractor never called back"
is one way to answer, reply, respond
Derived form noun call-back₁
Sample sentences:
Somebody ----s
Somebody ----s something
Somebody ----s somebody

• call back(v = verb.communication) recall - summon to return; "The ambassador was recalled to his country"; "The company called back many of the workers it had laid off during the recession"
is one way to call, send for
Derived form noun call-back₂
Sample sentence:
Somebody ----s somebody