• 選択せんたく — choice; selection
• 択一たくいつ — single choice; choosing one
• 二者択一にしゃたくいつ — choosing between two options
• 取捨選択しゅしゃせんたく — selecting and discarding; picking what to keep
• 選択肢せんたくし — choice; option; alternative

The kanji 択 combines the hand radical 扌 with a phonetic element that hints at the sound タク. With the hand on the left, it suggests the action of picking something up out of several possibilities. In modern Japanese, you see it in words about choices and options, such as 選択せんたく and 択一たくいつ.