An opening or gap; the space between objects or a difference (e.g., a gap in size or price).
窓の開きが中途半端で風が入ってくる。
The window is partially open and drafts are coming in.
二者の能力には大きな開きがある。
There is a large gap in ability between the two.
商品の価格に開きがあるので、どれを選ぶか迷っている。
There are differences in product prices, so I'm unsure which to choose.
A type of dried fish prepared by splitting and flattening it for drying (as in 'aji no hiraki').
朝ごはんに鯵の開きを焼いて食べた。
I grilled a dried horse mackerel (hiraki) for breakfast.
スーパーで干物の開きが特売になっている。
The supermarket has hiraki (dried fish) on sale.
In the game of Go, 'hiraki' (often written in katakana) refers to an extension or spreading move/shape on the board.
序盤でのヒラキは地を広げる有効な手だ。
An early-game hiraki is an effective move to expand territory.