1. computer and text
1.1. Bitmap font and vector font
1.1.1. fonts can either be stored as bitmapped or vector
1.1.2. Bitmaps font consist of matrix of dots or pixels representing image
1.1.2.1. File size increases as more sizes are added
1.1.2.2. Required a lot of memory
1.1.2.3. Non-scalable
1.1.3. Vectors fonts drawing use instructions and mathematical formulae to describe each glyph
1.1.4. can draw any size by scaling the vector drawing primitives mathematically
1.1.4.1. file size is much smaller than bitmaps
1.1.4.2. TrueType,OpenType,PostScript
1.2. characters sets
1.2.1. 3types
1.2.1.1. ASC All Codes
1.2.1.2. Extended
1.2.1.3. Unicode
2. Hypermedia structure
2.1. Links
2.1.1. connections between conceptual elements
2.1.2. navigation pathways and menus
2.2. Nodes
2.2.1. accessible topics,documents,message,content element
2.2.2. form the backbone of a knowledge access system
2.3. Anchors
2.3.1. reference from one document to another document,image ,sound,or file on the Web
3. Icons
3.1. symbolic representation of objects and processes
3.2. similar to actual product and anyone can tell what it stands for because of similarities.
4. Font-style
4.1. Boldface
4.2. Italic
4.3. Underlining
4.4. Outlining
5. Text elements
5.1. Menus for navigation
5.2. Interactive buttons
5.3. Field for reading
5.4. HTML Documents
5.5. Symbols and icons
6. symbol
6.1. represent product or ideas
6.2. do not resemble what they stand for,and they have to be learned by people to know what they mean
7. Font terminology
7.1. Baseline
7.1.1. the line on which the bases of characters are arranged
7.2. Cap height
7.2.1. refers to the height of a capital letter
7.3. X-height
7.3.1. distance between the baseline and the top of lower-case letter x
7.4. Ascenders/descenders
7.4.1. strokes that rise above the x-height
7.5. kerning
7.5.1. adjustment space between certain pairs of letter
7.6. tracking
7.6.1. adjustment space for group of letters