english: A rooted tree may be directed, called a directed rooted tree[1] [2] either making all its edges point away from the root—in which case it is called an arborescence[3] branching[4] or out-tree [4] —or making all its edges point towards the root—in which case it is called an anti-arborescence [5] or in-tree.
non_english: Gajih sederhana, ya iku campuran ester asam lemak lan sapérang alkhohol.[2][3] Tuladhané fat/minyak (TAG/trigliserida).[2][3]