Use 'slackness' to describe something tangible like ropes or muscles, where tension is visibly absent.

Physical State

'Slackness' can refer to a physical looseness you can't see, like in connections or components.

Non-visual Signs

Sometimes slackness is intentional, do not always assume it's a negative observation.

Misleading Appearances

Describes a person's casual attitude where more effort or strictness is expected.

Behavioral Slackness

'Slackness' often implies a failure to meet expected standards, in behavior or duties.

Expectations Matter

In business or economy, 'slackness' denotes periods of low activity or slow growth.

Economic Context

In economic contexts, 'slackness' can signal upcoming trends or necessary adaptations.

Indicator of Change

 take up the stretcher here you stick that up in there if you don't do that the skin dries so tight that you won't be able to get it off the board this allows you to have something you can remove leaves a little bit of slackness