

In reality the number of conditions and actions can be quite large, but usually the number of combinations producing specific actions is relatively small. **The mechanism usually used to capture the logical decisions is called a decision table.** **As testers we need to be able to assure ourselves that every combination of these conditions that might occur has been tested**, so we need to capture all the decisions in a way that enables us to explore their combinations.

**Specifications often contain business rules to define the functions of the system and the conditions under which each function operates.** # tags: `Black Box Testing Tech` `ISTQB` `Software Testing` `SQA`
