HTML code using < and > does not seem to work

I have some code to put into my html page via Dreamweaver.  For this question, I will present a comment line.

The code was given to me with entities &gt and &lt instead of > and <.

First off, I saw that semi-colons were absent.  So I added ; to each &gt and &lt.  Still does not work as described next.

I am supposed to use the first line below, but it does not work.  It does not become a comment.  In the second line, when I replace the entities with < and >, the line is commented out, that is, it works.

Does not work ----->    &lt;!-- entities test --&gt;

Works ----->               <!-- regular test -->

Two questions.  First, why are the entities used instead of < and >.
Second, what is wrong with the line that does not work.
cornell256Asked:
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Ryan ChongCommented:
to comment in HTML we need to use <!-- and end with -->

Just try enter this comments in the Code Portion, instead of Design Portion in your Dreamweaver?
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cornell256Author Commented:
Thanks for the reply.  As stated above, it works with the <!-- and -->
That is a comment, fine.

I need to make it work with the XML entities, or understand why that won't work.  It should work fine.

I am using the Code portion of Dreamweaver.

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gamebitsCommented:
You use entities on a webpage when you want to show a piece of code or when you want to display the entities, the browser will not "read" the tag it will just display it.

Gamebits
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cornell256Author Commented:
Thanks - that makes sense.
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gamebitsCommented:
Thanks for the points and the grade.

Gamebits
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