To hold harmless and defend-what do these phrases actually add to an indemnity clause?

As a Senior Knowledge Lawyer in A&O’s commercial team, I have recorded a short video for Practical Law considering the use and meaning of two common phrases used in indemnity clauses-to hold harmless and defend.

I look at case law on the meaning of these terms and factors to bear in mind for those drafting indemnities.

You can take a look here.