Today’s #kanji is 構, which is listed under its semantic element of #きへん（木）, which suggests a connection with a tree. Its phonetic element is 冓.
Meaning: to build, to prepare
構成（コウセイ）する: to make, to compose, to constitute, to form
構想（コウソウ）: an idea, a scheme, a plan, a design, a concept
構造（コウゾウ）: structure, construction, a framework, organization
構築（コウチク）する: to build, to construct, to erect
構文（コウブン）: grammatical construction of a sentence, sentence structure
機構（キコウ）: a mechanism, machinery, s system, a structure
結構（ケッコウ）な: good, fine; satisfactory, sufficient, etc.
See more examples here.
構（かま）える: to assume a posture, to get ready; to put on an air; to set up (a house); to create, to fabricate; to tense up, to become formal
構（かま）わない: to not care, to be indifferent. See more examples here.