A ruler can set out to follow up very popular speech (10)

I believe the answer is:

vernacular

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'popular speech' is the definition.
(speech used by ordinary people)

'a ruler can set out to follow up very' is the wordplay.
'set out' indicates an anagram.
'to follow' is a charade indicator (letters next to each other).
'up very' becomes 'v' (abbreviation. I am not sure about the 'up' bit.).
'a'+'ruler'+'can'='arulercan'
'arulercan' anagrammed gives 'ernacular'.
'ernacular' put after 'v' is 'VERNACULAR'.

Can you help me to learn more?

(Other definitions for vernacular that I've seen before include "Local-style" , "Characteristic language" , "Native tongue - dialect" , "Everyday language" , "Native language" .)

I've seen this clue in The Telegraph.

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