Translation of ángulo

We do not see the spider eating the moth, we only see a yellow spider sitting on a red flower holding a brown moth. But we know what will occur: There will be a cruel and nasty act of the nature.
The view from the top was awesome. From there one could see that every house almost had a different color, but that the roofs were all tiled. I took my camera and took several images on diapositive.
Let me understand further: If you go through the 'vocabulary builder' in the left menu and choose new lesson it works faster than when you get there through the list of all lessons? Did I get this right?