This is the 1813th most frequent Chinese word.
节
"节" means "festival," "holiday," "section," "segment," or "node."
In this sentence, '节' is used as a shorthand for '节日', which means 'festival' or 'holiday'.
今天是节日,我们计划去庆祝。
Today is a festival, we plan to celebrate.
Here, '节' refers to sections or nodes, often seen as part of a segmented structure like a tree's rings or growth nodes.
树的每一节都记录着它的成长历史。
Every section of the tree records its growth history.
In this usage, '节' is part of '节课', representing a class period or session.