| frequenciesOverTime Plot frequency of query expressions over time | |
| frequenciesOverDomains Box plot frequency of query expressions per topic domain | |
| conditionsOverTime Plot frequency of query expressions over time under different conditions | |
| alternativesOverTime Plot proportion of alternative spellings/variants over time | |
| regional Map plot regional frequencies of query expression | |
| mosaicplot Visualize frequencies of alternative query terms in relation to other variables |