The Argiope Spider was busy today...
Catching prey... looks like it might be a dragon fly.
"Writing" - I was able to watch the writing appear. (See the video below.)
Spinning an egg sac (I think)... it seems they do this off to the side, not in the center of the web. You can see the center of the web to the right.
All of the pictures posted yesterday and today were taken in my neighbors' yard - in various positions around the bush. Except this one which was taken from my kitchen window. The egg sac is to the left.
The Spider is very active in the first half of this video. And she begins writing at about 27 seconds.
More photos of this Argiope spider can be seen here (September 15 post).