a website is like a house because it takes time to plan and design the house just like a website.also pages are like rooms and web site the building.
the main purpose of the blue print is to show that a website is very similar to a website since they take the same steps first steps like the basic wireframe that is a plan of what the website will look like and what its pages (rooms) will have.
The most important part of planning a website is the basic wireframe the reason for this is it shows why and how of a website and also it answers the 3 essential questions which is “what actions satisfy the objective of the page?” which is basically like the responsibility of the website and the last 2 are who needs to be persuaded to take action? and how do you most effectively persuade that person to take actions? these are the most important steps to building a website.
the relationship usability of a website map and a house blueprint is they both follow the same concept which is writing down the ideas and planning which both are important when both building a house and making a website you need to know some ideas to planning a website and a house.
If we were to compare the 3 job roles in web design they would all be similar first information architect is like the one who start to make a plan of what the website or in this case house will look like and does the consistency which is like how it will work and if spaces are big . The content manager is like the one who takes a look at the rooms{graphics} and will make sure that they go to what they or their client wants with every detail. Graphic designer is like the who make the doors little stuff like spatial organization who fixes the buttons, fonts, and styles just like in a real house.