开张 (kāi zhāng)

to open a business; first transaction of a business day

Character breakdown

开 (kāi) · 4 strokes

Simplified form of 開. Pictograph of two hands (廾) opening the bolt (一) on a door (門). The traditional component 門 was removed for simplification.
张 (Zhāng) · 7 strokes

Simplified form of 張. Phonosemantic compound. 弓 represents the meaning and 長 represents the sound.