The kanji 開 primarily conveys the idea of "to open," "to unfold," "to begin," or "to develop." It suggests the act of revealing something that was previously closed or hidden, or initiating a new activity or state. It can also relate to blooming or opening up, as in a flower.

・On-yomi (音読み): カイ (kai) ・Kun-yomi (訓読み): ひら（く） (hira(ku)), あ（く） (a(ku)), あ（ける） (a(keru))

⚫︎開（ひら）く Translation: to open (something), to unfold, to spread out, to develop ⚫︎開（あ）ける Translation: to open (something) ⚫︎開始（かいし） Translation: start, commencement, beginning

The kanji 開 is a pictograph and ideogram. It is a combination of two parts: the door (門), and the hand/to separate (represented by a horizontal stroke). The original meaning was to "open a door." Over time, it expanded to encompass broader meanings of opening, unfolding, and beginning.