.Name tells you the name of the specified target such as a part. In this case, the script sample you put here tells us that a part will be set on fire and it prints the part's name.

.Name is mostly used for changing instance names such as:

Part = Instance.new("Part",workspace)
Part.Name = "Brick"

Hope this helped!

Name

Each object in roblox has something called a name which is a readable a writable string/text value that they can be called as. This can help for scripts finding certain children or descendants(Objects inside of another object) or to just be able to distinguish one part from another.

Name and its uses

Below are all the different uses of the Name property.

Setting or changing names

If you use Part.Name it can be used to change the object's name. For example: Part.Name = "Foo". Now if you find the part inside of your explorer tab, you'll find a brick that has the name "Foo".

Finding objects by names

Names could be used to get a certain child of an object: Model.Foo.BrickColor (BrickColor is the color of a brick). In this example, we have a model and inside of the model we need to get a brick. We get it by doing Model.Foo. Which means, "Inside of the Model, find the first object with the name of Foo exactly spelled that way," and you get the part.

Comparing strings

Comparing strings are important. For example if you're trying to see if a certain character is a specific user. If you use an if then statement, which is a chunk of code that only fires when the statement you insert is true: if 1+1 == 2 then would run because 1+1 is 2. if 1+1 == 1 then this will not run because 1+1 is never equal to 1. The statement is false. They also don't work if the statement is nil. if nil then would never run. But if "string" then would run because strings are not false and are not nil, but remember those 2 equal signs? They mean, "compare these 2 values and see if they're equal. I'll return true if the names match." if "Part" then will always run but if we use our old part, "Foo" and compare them they'll be false. Because "Part" is not equal to "Foo". if "Part" == Model.Foo.Name then won't run. We can use Model.Foo.Name because name is a string or text value just like when a word is in parenthasis.

Hope it helps!

The name tells you what it is called in Explorer and what should be used in scripting. For example a script in a part

print("The name of this part is called "..script.Parent.Name.."!")

So if you named the part Bob then it would say "The name of this part is called Bob!" Or you can do if it is named something like

if script.Parent.Name == "Apple" then
    print("Yay!")
end

Hope you understand!