OutSystems lets you create computer programs with ease, just like assembling pieces of Lego. This saves time in designing apps and websites, as you don't need specialized expertise to connect components. It's like using magical Lego bricks to create extraordinary things on your computer.

Outsystems let's you create great applications easily just with the mouse and one of the best part is you design it visually simply, like Andre Smith said, its Lego bricks, just connect the objects and it works. 

Well, I'm not so creative to write something, so I asked Phind for help.

Logic (The Magic Wand)

Imagine you have a magic wand that can do anything you want. This magic wand is like the logic in OutSystems. It's the part that makes things happen in your app. For example, when you wave your magic wand, you can make a toy car go forward, backward, or turn around. In OutSystems, logic is like waving your magic wand to make things happen in your app. It tells the app what to do, like moving pictures, playing sounds, or showing information.

Interface (The Toy Car)

Now, the toy car you're controlling with your magic wand is like the interface in OutSystems. It's what you see and touch. You can drive it forward, backward, or turn it around. In your app, the interface is what users see and interact with. It could be buttons, screens, or anything else that lets users control the app and see the results of their actions. Just like how you control your toy car with your magic wand, users control your app with their actions.

Data (The Magic Spells)

The magic spells you use to make your magic wand work are like the data in OutSystems. These spells tell your magic wand what to do. For example, there's a spell for making the toy car go forward, another for making it go backward, and so on. Similarly, data in OutSystems is the information your app works with. It could be names, numbers, or pictures. Just as magic spells come together to make your magic wand powerful, data comes together with logic and interface to make your app work.

Putting It All Together

Just like how you use your magic wand and magic spells to control your toy car and make it do cool tricks, in OutSystems, you use logic, interface, and data to make your app do cool things. Logic is like your magic wand, deciding what happens next. The interface is like your toy car, showing users how to interact. And data are like your magic spells, providing the power and purpose. Together, they form a complete app, just like how your magic wand, toy car, and magic spells come together to create a magical adventure.

Once you know alphabets and numbers, you can easily create words and sentences. OutSystems is that bridge which helps you create words and sentences out of alphabets and numbers.

Low-code platforms are like calculators for financial operations. You need to know Mathematics and calculations and its use while using a calculator. But it is such a tool that 99% of people use it for all day-to-day Mathematic calculations.

So as you are talking from body annotations perspective,

widgets: Body Parts coupled together to form human body
workflow actions: activities we do with body parts, need water -> raise hand etc. 
entities/data: memory we have in brain - filled and called only when needed

This all deployed and delivered on the earth! ;)

Hi @Bas Klein,

Outsystems is low code no code platform.
you can drag and drop widgets. Bind the data 
and play with it by implementing different logic .