Check out example codes for "how to add space in html". It will help you in understanding the concepts better.

Code Example 1

&nbsp;  <!-- 1 space -->
&ensp;	<!-- tab; 2 space -->
&emsp;	<!-- tab; 4 space -->

Code Example 2

<!--   Add leading white space in front of text  -->

&nbsp;Hello World

<!--    Output:   ' Hello World'    -->

Code Example 3

&nbsp

Code Example 4

<br/>

Code Example 5

&nbsp;

Code Example 6

<!-- vertical space -->
&nbsp;
&ensp;
&emsp;

<!--horizontal space -->
<br/>

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