Substitute graphic design instructor while main one is in Florida tells us big difference between vector and raster is where data is stored. Raster data distributes throughout pixel-by-pixel, while vectors nest it in each anchor point. Hence, misnomer: a “pen” not drawing lines of pixel ink, but plotting globules of digital ooze each governed by wayward handles operating with minds of their own.
First assignment due: during evening class when Mercury stationed retrograde exact (16° 54' Aries). One trick toward getting handle on it came by way of designer who calls it “clockwork method”—analyzing curves at three o'clock, six o'clock, nine o'clock à la retro time.
Sunday, April Fool's Day (CDT):
Sun conjunct Mercury Rx 12:53
Friday, April 6th (CDT):
Mercury Rx trine natal Moon exact 06:05
Sunday, April 8th (CDT):
Mercury Rx trine natal Mercury exact 04:57
Mercury Rx opposite natal Mercury exact 07:59
Query today (CEST):
Sagittarius rising
Moon 0° 08' Scorpio
Jupiter 22° 21' Rx Scorpio
Vesta egressing 29° 58' Sagittarius