I can't run the program from the terminal, what should I do?

Question

terminal emulator

I downloaded the Thonny integrated development environment into Kali Linux through the terminal, then I close everything, I open the terminal, I enter there (Thonny) the program does not open, it says the program is not found, I looked for the program there is in the computer, but even through the terminal there is some problem, can you tell me which command to open programs in detail