Conceptual Task breakdown - Web search, web fetch, write web search query

2 questions - Web search, web fetch, write web search query.
Reference: Slide

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(1) In Module 1, I am unclear what is the difference between web search and web fetch? They seem to be the same. Separating these 2 steps seems to add complexity.

(2)what is the meaning of writing web search query? When we do web search, we are writing and sending it in that step. So why is there again another step further complicating the workflow by breaking it down to atomic level?

This seems like breaking an atom into protons, neutrons and electrons. Is there really a need for 3 steps here. What is the rationale? Can’t these 3 ( Web search, web fetch, write web search query ) be combined into 1 or ATLEAST 2 of these (websearch + webfetch) be combined into 1?

Reading your post I think it is possible to combine steps here, but I think the authors may have done it such because they think that it is clearer to understand if they break down all the steps (my opinion)!