Answer:
The answer to this question is given below in the explanation section
Explanation:
This question is about when comparing programming languages, what is commonly used by all software developers? The correct answer is elements, controls, and variables.
Every programmer used these three elements, controls, and variables. for example elements are buttons, link, input field etc, controls are loops and decision statements and variables are to store value for some object. so, elements, controls, and variables are most commonly used by all software developers.
this is not correct, because nouns are not most commonly used by all developers. However, it is noted that a noun is used mostly in the requirement elicitation phase for capturing objects.
commands are not most commonly used by developers, commands are used by those programmers who are doing console programming.
tag are used in HTML language but it is not most commonly used by the developers.