Branches and leaves; foliage (the twigs and leaves of a tree or plant).
木の枝葉が風に揺れている。
The tree's branches and leaves are swaying in the wind.
庭の枝葉が茂って道が暗くなった。
The foliage in the garden grew thick and the path became shaded.
春になって枝葉が一斉に開いた。
In spring the branches and leaves all burst forth at once.
Unimportant details or nonessentials; minor points or digressions (trivial matters).
そんな枝葉にこだわっている暇はない。
We don't have time to worry about such minor details.
話は本題に戻すべきで、枝葉末節を気にするな。
We should return to the main point and not worry about trivialities.
契約の本質を考え、枝葉は後回しにしよう。
Let's focus on the substance of the contract and leave the minor details for later.