From Longman Dictionary of Contemporary Englishfit together phrasal verb1 if something fits together or you fit it together, different pieces can be joined to make something Look, the tubes fit together like this.fit something together The pictures show you how to fit it together.2 if a story, set of facts, set of ideas etc fit together, they make sense when considered together Telecom and computer businesses fit together well. → fit→ See Verb table
Examples from the Corpus
fit together• The pieces in the hangar are fitting together like a jigsaw puzzle.• This description was entirely correct, but it took nearly 50 years to work out exactly how the different parts fitted together.• Systematic implies that the steps which are taken to meet objectives should fit together as a cohesive whole.• Inside were blue and pink and light brown tubes and coils and odd-shaped pellets which all fit together like a puzzle.• But it can be an interesting team, an entertaining team when the parts fit together like Thursday night.• Did her excitement at the way the evidence fitted together mean she wanted it to be true? 