International standard iso

3.12.1
requirement
expression in the content of a document conveying criteria to be fulfilled if compliance with the document is to be claimed and from which no deviation is permitted

3.1.3

grade
category or rank given to different quality requirements for products (3.4.2), processes (3.4.1) or systems
(3.2.1) having the same functional use

EXAMPLE Class of airline ticket and category of hotel in a hotel guide.

NOTE When establishing a quality requirement, the grade is generally specified.

3.1.4

customer satisfaction
customer's perception of the degree to which the customer's requirements (3.1.2) have been fulfilled

NOTE 1 Customer complaints are a common indicator of low customer satisfaction but their absence does not necessarily imply high customer satisfaction.

NOTE 2 Even when customer requirements have been agreed with the customer and fulfilled, this does not necessarily ensure high customer satisfaction.

3.1.5

capability
ability of an organization (3.3.1), system (3.2.1) or process (3.4.1) to realize a product (3.4.2) that will fulfil the requirements (3.1.2) for that product

NOTE Process capability terms in the field of statistics are defined in ISO 3534-2.

3.1.6

competence
demonstrated ability to apply knowledge and skills

NOTE The concept of competence is defined in a generic sense in this International Standard. The word usage can be more specific in other ISO documents.

2. 
   Terms relating to management 3.2.1
   

system
set of interrelated or interacting elements

3.2.2