### message | statement | reference | directory:

Phone book
* are directories.
* are located in cabinets
  - drawers
  - hotels
  - motels
* consume millions of trees each year.
* have names.

Subject directory
* Subject directories are hierarchical databases organized by category.
* Subject directories are lists compiled by people
  - of selected Web resources arranged by topic in a hierarchical way
  - search tools that are organized by category
  - web databases that use humans to index new web pages rather than robots

Telephone book
* are located in closets
  - desks
  - houses
  - libraries
  - phone booths
  - telephone booths
* are used for addresses
  - paperweights
  - steps
  - telephone numbers

Encyclopaedia
* are simply too small.
* provide a condensed overview of every branch of a subject.

Handbook
* Some handbooks are compilations of research in a discipline.
* are books
  - concise reference books focusing on a specific subject
* are often the quickest way to find formula or tabular data
  - useful for locating data and formulae

Locality of reference
* is one of the reasons why caches work well in many areas of computing.
+ Cache: Computer science
  * Typical computer applications access data in very similar ways. This is known as locality of reference. Locality of reference is one of the reasons why caches work well in many areas of computing.

Reference counting
* are counting.
* is used to determine when an object is no longer needed and can safely be freed
  - it is safe to reclaim an object's storage

White line
* are main roads connecting the places
  - major highways
  - reference points
  - the soil unit-mapping
* indicate velocity and direction of storms.
* show the distribution of hot, X-ray emitting gas.

Yearbook
- great sources of history
  - located in trunks
  - small printed or mimeographed booklets which outline the club's meetings for the year
* class that meets during the school day and writes and publishes the Nautilus
* is an organization that plans the format for producing the senior yearbook.
* often focus on a specific group or topic.

### message | statement | remark:

Bromide
* are chemical compounds
  - normally colorless and nontoxic
  - remarks.
  * ' is the reduced form of bromine. It is an ion. It exists when another element, such as sodium, gives away electrons to bromine, turning it into bromide. The aluminium turns into an aluminum ion, and both ions bond to form sodium bromide, a chemical compound. Bromides are normally colorless and nontoxic
* relaxes muscles and minimizes stiffens.

### message | statement | remark | bromide:

Silver bromide
* are bromides
  - crystal
  - electrolytes
  - ionic compounds
* is light sensitive and used in photography film
  - quite sensitive to light, and undergoes a chemical reaction when light hits it
  - used in film
  - very insoluble in water and is thus often used as a qualitative test for bromine
+ Bromine, Uses: Halogens :: Chemical elements :: Nonmetals
  * Organobromines are used to put out fires. They used to be added to gasoline. Some were used as pesticides. Some inorganic bromides were used as sedatives. Bromine can also be used as a disinfectant. Silver bromide is used in film.

### message | statement | remark | slam:

Poetry slam
* are to poems what extreme sports are to cricket.
* is the competitive art of performance poetry.