What does lignified and septate mean??

This question is already answered by our expert-,so please follow the given link- https://www.meritnation.com/ask-answer/question/what-is-lignified-walls/anatomy-of-flowering-plants/2890753

https://www.meritnation.com/ask-answer/question/what-is-the-meaning-of-septate/anatomy-of-flowering-plants/2858255