The kanji 節 primarily conveys the idea of a "joint," "section," or "segment." It represents a point of connection, division, or demarcation. This can refer to physical objects, like a joint in a bamboo stalk or a knuckle, or more abstract concepts, like a point in time or a chapter in a book. It implies a sense of structure, organization, and delineation.

・On-yomi (音読み): セツ ・Kun-yomi (訓読み): ふし

⚫︎季節（きせつ） Translation: season ⚫︎節約（せつやく） Translation: thrift; saving; economizing ⚫︎竹の節（たけのふし） Translation: node of a bamboo stalk

The kanji 節 is a phono-semantic compound (形声文字). The phonetic component is the component on the right, which represents the sound セツ. The semantic component on the left originally depicted a bamboo stalk and the node 節 of a bamboo. The original meaning was "joint" or "node". Over time, it expanded to include other meanings related to sections, segments, and periods. This structure is common in kanji, where one part indicates the meaning and another indicates the pronunciation.