Grades 1-12 a conceptual understanding vocabulary booklet road safety education

Cumbersome 
Difficult to handle or use especially because of size or weight
Curriculum
An integrated course of academic studies
Cycle
A road vehicle which has two or more wheels and is propelled solely by the 
muscular energy of the persons on that vehicle, in particular by means of 
a pedal system, lever or handle (e.g. Bicycles, tricycles, quadric cycles and 
invalid carriages)
Cyclists
People who ride bicycles 
D
Danger
A condition of being close to harm or injury
Dangerous
Involving or causing danger or risk; liable to hurt or harm
Dangerous goods The commodities, substances and goods listed in the standard specification 
of the south african bureau of standards sabs 0228 “the identification and 
classification of dangerous substances and goods”;
Data
Data is information that is collected and analysed. It can be in multiple forms 
such as numbers, facts, images, or opinions. 
Dazzle 
To cause someone to lose clear vision, especially from intense light
Death
The event of dying or departure from life
Deemed 
Keep in mind or convey as a conviction or view
Delivery vehicles
Vehicles which transport and deliver goods at various places e.g. Consign-
ment or goods ordered. These vehicles can travel long distances or just in 
urban areas
Demographics
Demographics are the characteristics of a population such as age, sex, mar-
ital status, family size, geographic location, ethnicity, education levels, and 
income levels.
Depth perception 
(stereopsis)
An ability to see the relative distance of objects. It is important for judging 
distance between the objects.