“top level” just refers to that part of a website address. Think of it like a home address. “Road” or “Lane” etc would be the top level domain, then the road name would be the next level, and then the house number would specify exactly where on that particular road you want to go.
“top level” just refers to that part of a website address. Think of it like a home address. “Road” or “Lane” etc would be the top level domain, then the road name would be the next level, and then the house number would specify exactly where on that particular road you want to go.