Many thanks, Master Lee.  Very insightful and comprehensive article.

This is the resource

An In-depth understanding of the Frontage of a home. Is it always the main door? Who are the Conservatives & the Modernist. What lead to the Conservatives use of the Main Door only?

1. Who are the Conservatives and the Modernists?
2. An in-depth understanding of why the Conservatives has misunderstood the knowledge passed down by the ancients.

https://www.geomancy.net/forums/topic/16637-an-in-depth-understanding-of-the-frontage-of-a-home-is-it-always-the-main-door-who-are-the-conservatives-the-modernist-what-lead-to-the-conservatives-use-of-the-main-door-only/

For High Rise Compass Reading should be taken from the living room looking out of it. For eg. towards the living room windows or its balcony (if applicable)