What is a node? 

There are 10 different kinds of nodes, with different functions, where students learn and communicate. The teacher who builds the loop fills the nodes with material, such as her/his own texts, films and tasks and also interesting material that one can link from the internet. 

There are yellow nodes, where students can only see the material, pink nodes that are self correcting quizzes, light blue nodes where the student communicates individually with the teacher and green nodes where the student communicates with other students in the loop. You can read more on the functionality of the different nodes in the article "Loops 10 nodes". You can also go to the loop Build a learning loop, that is in the library, to see an example of how to use each one of the different nodes.