The phrase "availability indicator" is correct and usable in written English.
It can be used in contexts where you want to refer to a signal or marker that shows whether something is available or not, such as in technology or service industries.
Example: "The app features an availability indicator that lets users know when the service is online."
Alternatives: "availability status" or "accessibility marker".
Imagine if instead of just an online availability indicator, we had an "I want to meet up" offline availability indicator.
I believe the answer is to bake an offline availability indicator into a ubiquitous app.
Location apps need an availability indicator similar to the green "online" dot used by many chat apps.
For years I've been writing about how Facebook and Messenger should build an offline availability indicator for finding out who's free to spend time with in person.
Specialized surgical departments seemed difficult to benchmark, due to problems with data availability, indicator definitions and the organizational embedding of the operating theatre.
Once this objective is accomplished, further issues such as indicator classification, temporal linkages within the disaster cycle, or more technical challenges such as data availability, indicator weighting or scale issues will follow [ 1, 16, 38].
When asked about the existence and availability of indicator definitions for key variables, responses were mixed, with some participants indicating that these are available and widely shared, while others reported not having these definitions.
This contrasts with analyses on another ubiquitous second messenger, Ca2+, in large part due to the availability of indicator dyes that are readily introduced into cells and tissues.
An important prerequisite, which may often limit conducting trend-based assessments, is the availability of indicator datasets extending for several years back in time.
A review of cross-country reporting on cadastre and land registration systems summarized the state-of-the-art and found shortcomings in availability of indicators suited for qualitative and quantitative comparison purposes.
Moreover, OHS providers do not exclusively decide what data should be registered; other stakeholders also have to play their role in the relevance and availability of indicators.
