This is the 9581st most frequent Japanese word.
置き換え
"置き換え" means "replacement" or "substitution."
In this sentence, '置き換え' refers to physically substituting one object with another.
新しい家具で古い収納棚を置き換えました。
I replaced the old storage shelf with new furniture.
Here, '置き換え' indicates replacing an element in software or code for correction.
プログラムのコードにあるエラーを修正するために、関数を置き換えました。
I replaced a function in the program code to fix an error.
In this example, '置き換え' is used to imply substitution between abstract ideas or terminology.