In several places–for example, in texts around the Nine Purification Breaths–I've seen references to either masculine or feminine "obstacles linked with potencies" that are described as being "masculine" or "feminine."

What are the obscurations and "obstacles linked with potencies" that are "masculine" or "feminine" and what are their characteristics?

In several places–for example, in texts around the Nine Purification Breaths–I've seen references to either masculine or feminine "obstacles linked with potencies" that are described as being "masculine" or "feminine."

What are the obscurations and "obstacles linked with potencies" that are "masculine" or "feminine" and what are their characteristics?