1. Function
1.1. The way that a structure works. In other words, the use of the structure.
1.1.1. Taj Mahal
1.1.2. Empire State Building
2. Loads
2.1. Live loads
2.1.1. Live Live load is the weight that is put onto a structure.
2.2. Dead loads
2.2.1. Dead load supports the weight caused by an object
2.2.1.1. Bridge
2.2.1.2. Chair
2.2.1.3. Ground
2.2.1.4. Strong Flat Surface
2.3. Dynamic loads
2.3.1. Dynamic load is the change in forces that is put onto a structure.
2.3.1.1. Wind
2.3.1.2. Rain
2.3.1.3. Force Of Gravity
2.3.1.4. Hail
3. Form
3.1. The way that the structure looks. Purely for looks only. Some are only for tourist attractions or to beautify the land.
3.1.1. Eiffel Tower
3.1.2. Great Wall Of China
4. Structures
4.1. Shell structures
4.1.1. Examples
4.1.1.1. Igloo
4.1.1.2. Egg
4.1.1.3. Tent
4.1.1.4. Helmet
4.1.1.4.1. New Node
4.1.1.5. Peanut
4.2. Solid structures
4.2.1. Examples
4.2.1.1. Book
4.2.1.2. Concrete dam
4.2.1.3. Brick wall
4.2.1.4. Marble statue
4.3. Frame structures
4.3.1. Examples
4.3.1.1. Bridge
4.3.1.2. Eiffel Tower
4.3.1.3. Ladder
4.3.1.4. Car
4.3.1.5. House
5. External Forces
5.1. Definition
5.1.1. Act on a structure from the outside
5.2. Examples
5.2.1. Wind
5.2.2. Gravity
5.2.3. Snow
6. Internal Forces
6.1. Definition
6.1.1. An act within he materials that make up a structure
6.2. Examples
6.2.1. Torsion
6.2.2. Compression
6.2.3. Tension
6.2.4. Shear