What I mean is, imagine you're in a restaurant, you're having a conversation, there are all kinds of other conversations going on in the restaurant, you want to filter them out, you want to focus on what's important to you.
Begini, bayangkan Anda berada di restoran, bercakap-cakap. Ada banyak percakapan lainnya yang berlangsung di restoran itu. Anda ingin menyaringnya. Anda ingin fokus pada apa yang penting bagi Anda.