These variables can be used in the HTML sections to provide dynamic information to the user - ie. information that depends of the results of the operations under execution. Some parameters are global - ie. specific to the operation currently under execution, but not specific to any given operation. Others are specific to the target currently under processing, while yet others are "local" to the current record.
The query term(s). If operators have been used, they are also included.
This variable contains a preformatted "URL string" with all the targets that was searched. As an example, if you have searched two targets z3950.loc.gov:7090/voyager and z3950.bibsys.no:2100/BIBSYS, alltargets will contain the string ;&target=z3950.loc.gov:7090/voyager&target= z3950.bibsys.no:2100/BIBSYS.