Interior design cheat sheets FTW.
10. Seating Capacities for Dining Tables
From Cottage Home Furniture.
11. Sofa Shapes and Their Names
Via Chameleon Interiors.
12. Headboard Shapes
From Headboard Co.
20. How to Hang Curtains
To make your ceilings look taller! From Home Goods.
25. Staircase Gallery Layouts
Via Vered Rosen Design.
29. The Psychology of Colors
30. House Paint Color Matching Guide
From Better Homes and Gardens.
35. Types of Lightbulbs
See the full explanation of which ones to use where at Lightopedia.