Data structures are methods to organize and store data on a computer so it can be accessed and utilized effectively. Algorithms, on the other hand, are detailed processes for completing tasks or solving problems. In short, data structures and algorithms are essential concepts in computer science.
If you are a beginner and worried about where to learn DSA, then the below video is a perfect choice for you. This video has covered the important concepts of DSA. Upon watching this video, you will be able to write efficient and effective programs.