Follow, as advice (4)
(Other definitions for acton that I've seen before include "English statesman" , "Part of the London borough of Ealing - British historian, d. 1902" , "District of West London" , "London area" , "somewhere in London" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">follow as advice</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for heed that I've seen before include "Listen to carefully" , "Regard" , "Be mindful of" , "Care, attention (paid)" , "Consider" .)
(Another definition for adhere to that I've seen is " Abide by".)