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that is to say; that is; in other words; I mean; that (this, it) means
in short; in brief; to sum up; ultimately; in the end; in the long run; when all is said and done; what it all comes down to; when you get right down to it; basically
clogging; obstruction; stuffing; (degree of) blockage
shrinkage
end; conclusion
つまり、彼女は嘘をついていた。
In other words, she was lying.
つまり結果は同じということだ。
In short, the result is the same.
つまり私たちはずっと前からの友達なんだ。
In other words, we're friends.