Accidentally clicking on new words to known words help!

hi im new to this site and i think i messed up lol! because i clicked on the blue word and then i then click on search dictionary or was it definition and also i moved all the new words in one lesson to known words so… will i get these new words moved to known words back in time or will i have to do something to get them back im lost and i dont even know how to use cloze tests and how to use the words in flash cards help me plz!!! thx lol!