Architecture analysis and design language is like a special way of talking and drawing pictures that helps people who build things understand how to make them better. Think of it like building with Legos - when you build something with Legos, you have to follow certain rules and put the pieces together in a certain way to make it look and work the way you want it to.
In the same way, when architects and designers make buildings or software programs, they use a special language to explain how everything should be put together. This language uses special words and symbols that help everyone working on the project understand what they need to do and how things should fit together.
For example, imagine you're building a fort out of pillows and blankets. You might draw a picture of your fort and use arrows to show where the pillows and blankets should go. That's like using architecture analysis and design language to explain how a building or program should be built. It helps everyone involved in the project understand what they need to do and how to do it right.