The kernel of a Klein geometry (G,H) is the largest subgroup K of H that is normal in G. A Klein geometry (G,H) is effective if K=1 and locally effective if K is discrete. A Klein geometry is geometrically oriented if G is connected.

I went to sneak a chocolate but my dad caught me.

However, being under the influence of great excitement and a heated brain, the point is soon yielded, which is the first evincement of the undermining of all good feeling.

She [Françoise Dolto] is most well known in France for her broadcasts on France-Inter, Lorsque l'enfant parait; she broadcasted for twelve minutes every day of the week for two years, answering parents' questions.