When something is distinct, it's easy to see it or easy to notice it. Distinct things are clear. They're often very different from the things around them, which makes them easy to see, or easy to pick out.
This red pencil is distinct. It's easy to notice it first among all the other pencils.
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This picture shows us that with our glasses off, we can't see shapes well: the trees are blurry. But with our glasses on, we can see distinct shapes: the trees are distinct.
Remember: when a shape or an object is distinct, you can tell what it is right away, or you can tell it apart from other things around it. When one thing is distinct from other things, it's not like them at all: it's different, separate, and easy to tell apart.
Idea 1: "You always know when you hear (some toy, device, vehicle, or musical instrument), because it makes a distinct sound."
Idea 2: "It's hard to draw a distinct (thing), because you have to get (some part or piece of it) just right."
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