There are many programming languages in which you can write dynamic web pages - python, PHP, java, etc.
A very simple example is given in the PHP tutorial for beginners - see related links.
It can be but source code is just the code of a webpage. Whatever format it is.
Do you mean source code? If so, the source code is the actual code a person or program writes up to makes a webpage/site display and function in the desired fashion. It can often be found by right clicking on a webpage and selecting "View Source code"
You are probably referring to the source code of the page. So it's just the source-code of a webpage.
HTML codes could be easily added to a webpage for the functionality. Dynamic web pages can made with HTML only.
a URL is the destination of a webpage and is identifiable by the code you type in to view a webpage, for example www.google.com is the URL code for the Google Search Site
Finding subdirectories on a webpage that is not your own is often times a difficult task. Many subdirectories can be found by checking the source code of a webpage.
If you press F12 you should be able to view all the source code
In Internet Explorer, you can 'View Source'. This is found by clicking view > source.
To view it later or to grab a piece of code you want from the source
Go to html source and remove the code/script.
Source data refers to the webpage code that tells the browser what to load. Source data directs the server to specific files.
Press Ctrl-U to see the source of the web page you want to know. Or you can click "view" on the tool bar and then "Page Source."