Is there a service where an ordinary customer can create a rough idea of ​​what the site should be that needs to be developed?

Question

Preparation of terms of reference

Is there a service where an ordinary customer can create a rough idea of ​​what the site should be that needs to be developed?
As you understand, there are a large number of customers who do not quite understand what they need, but rather understand, but cannot fully figure it out. Tell me what solution can be thrown off to customers so that they visually draw what should be where.
In general, I need in the form of blocks to draw how the site structure should be, which pages should be linked to which. On the example of one of the pages, for example, it was indicated which blocks or which elements should be there, with what animation. It is possible that for each element you can specify a link to the site where the client saw and showed as an example, so that he has something similar on his site.
In general, the essence of the questions is that I should not draw up a technical task together with the customer in order to give him a FRIENDLY service, where he can visually draw everything, as it should and where the elements should be. In order not to scare away the client and not to invent for him what should be on the site. What services do you advise clients to draw their vision of the site there?
The first thing that comes to mind is to suggest to the customer that he himself draw these blocks in EXCEL and display them. But there are customers who, even in EXCEL, will not be able to properly show what and how it should be. Or you will have to help him draw up a technical task together with customers on the fly. Tell me please. How to be?
Do not judge strictly, I am a beginner developer, here is my website, I am still learning different technologies.
Yes, and rate my site along the way))
j63225gt.beget.tech
Here are examples in which form I would like to see the provision of what the site should be, and I need to tell the customer through which service he can draw it himself.

Answer 1

powerpoint, word - it's all there.

Answer 2

an ordinary customer will be able to create a rough idea

There is only one option - a pencil + a piece of paper.

Answer 3

mock flow

Answer 4

it's called mockups of
services, the most famous one is https://balsamiq.com/products/