"Excellent summation" means a very good, concise summary or overview.
Full definition
An excellent summation of how religion asks for special rights, gets them, and then uses them against others who then accuse them of discriminating.
STORYTELLING «In the Minds of Others,» by Keith Oatley, was
an excellent summation of the impact of stories on social skills.
Specifically, Cherix succintly argues that current forays into printmaking allow artists (Rirkrit Tiravanija and Ai Weiwei, among others) to think through issues pertaining to censorship, copyright, and «relational art...» Extensively illustrated and inventively laid out, this book provides
an excellent summation of the current state of printmaking and will prove invaluable to print scholars and scholars of contemporary art... Highly recommended.
It's
an excellent summation of the «carbon tax is no panacea» viewpoint.
Fig leaf for bad faith is
an excellent summation of what is going on with this kind of science.