You might have heard someone telling you that children are like sponges. They quickly absorb and grasp what they hear and see. Conversing with your kids as often as possible helps them learn to talk during the toddler stage as they imitate the sounds.
However, when the children are slightly bigger, talking also helps them expand their learning experience. Engaging the kids in conversations, as you do simple tasks like cooking and gardening, will help them develop sharper comprehension and language skills.
When kids ask basic question like, "What are you doing?" use this as a change to engage them, instead of brushing them off. Talking often will eventually help children develop good communication skills as adults. Check out this video on how to engage your kids in conversations in simple ways:
