adjective describing something that is nearby or readily available
The latest software updates are at hand for installation.
The report is at hand for review before the meeting.
The resources required for the project are at hand.
The medication is at hand to treat the patient.
The evidence needed for the case is at hand.
The menu options are at hand for the guests to choose from.
In the context of a writer, 'at hand' may refer to having a deadline approaching or having all necessary resources and information readily available for a project.
For a psychologist, 'at hand' could mean having the necessary tools or techniques available to address a client's needs during a therapy session.
In the culinary field, 'at hand' may refer to having all the ingredients and equipment needed to prepare a dish quickly and efficiently.
For an engineer, 'at hand' could mean having the necessary blueprints, materials, and tools available to complete a project on time.