Language Shift and Maintenance

For ethnolinguistic vitality I need to talk about 3 components. What are they?

Tell me something that you have learned today about language shift and maintenance!

What is "Language Shift" and under what contexts we have mentioned them?

Tell me something that was interesting for you abput this presentation!

What is "Language Revival"?

Can you briefly describe what "Language Death" is?

What is "Linguistic Landscape"?

What does the term "Ethnolinguistic Vitality" refer to?

What is the difference between language shift and death?

Is It possible to find a permanent and stable solution for language shift?