Value/level — as a suffix or noun indicating a numerical value, level, or measurement (e.g., blood pressure value, temperature value); can also mean worth or price in other contexts.
血圧の値が高めなので、塩分を控えるように言われた。
My blood pressure value is somewhat high, so I was told to cut back on salt.
プログラムで変数の値を確認する。
Check the value of the variable in the program.
コレステロール値を定期的に測ることが大切だ。
It's important to regularly measure your cholesterol level.