Be careful with your words and be specific when making promises or vows to Allah

This hadith is about the consequences of making a vow without specifying it. A vow is when someone promises to do something for Allah, and if they don't fulfill that promise, they must pay expiation for it. An oath is when someone swears by Allah that they will do something or not do something, and if they break their oath, then they must pay expiation for it. This hadith tells us that making a vow without specifying what you are vowing has the same consequences as breaking an oath - you must pay expiation for it. This teaches us to be careful with our words and make sure we are specific when we make promises or vows to Allah so that we can avoid having to pay expiation later on.