The Queen and Duke of Edinburgh visit Canada House

The video discusses various topics, starting with an introduction mentioning Christmas and springtime stores. It then moves on to the role of a Private Secretary, who is knowledgeable about honor systems and heraldry. Finally, it covers the responsibilities of certain gentlemen in granting and writing forwards for books.

What is mentioned about the honor system and heraldry?

What role do the two gentlemen play in the context of the text?