plot — a secret plan or scheme to accomplish some purpose, especially a hostile, unlawful, or evil purpose: a plot to overthrow the government.
bed — A BEd is a degree which usually takes four years to complete and which qualifies someone to teach in a school. BEd is an abbreviation for 'Bachelor of Education.' Compare PGCE.
border — The border between two countries or regions is the dividing line between them. Sometimes the border also refers to the land close to this line.
herbaceous border — A herbaceous border is a flower bed containing a mixture of plants that flower every year.
patch — Alexander McCarrell [muh-kar-uh l] /məˈkær əl/ (Show IPA), 1889–1945, U.S. World War II general.