a diagram (= simple drawing) that shows the relationships between different pieces of information using lines that are connected and that have different branches

Here are some tree diagrams showing how we fit into the conglomerate, and also the management structure of the company. 这些树形图显示了我们在集团中的位置，以及公司的管理结构。

The tree shows the hierarchy of the data retrieved in the search. 该树状图显示了在搜索中所检索到的数据的层次结构。