C. Glossary

TermExplanation
Competent authoritiesThe authorities of an EU Member State that are responsible for implementing the TCO Regulation. An overview of the respective competent authorities of the Member States can be found here.
Content providerThe person who provides content on the respective platform, for example publishes a post.
HSPHosting service providers; the TCO Regulation applies to HSPs. More details about which HSPs are in the scope of the TCO Regulation can be found here.
PERCIPERCI is a tool coordinated by Europol that is intended to enhance and facilitate communication between HSPs and competent authorities..
Removal orderA request that a HSP receives from a competent authority. It informs the HSP that terrorist content has been circulated on the platform and obligates the HSP to swiftly remove it within one hour upon receipt.
TCO Regulation (also: LEX 2021/784 & Regulation on Addressing the Dissemination of Terrorist Content Online)The EU regulation against the dissemination of terrorist content online that came into effect in 2022. It applies to hosting service providers (HSPs) that offer their services in the EU.
Terrorist Content Online (TCO)Content that includes terrorist elements or is intended to promote terrorist purposes. A detailed definition of this can be found in the introduction. Terrorist content online is closely related to terrorist offences, which can be very diverse in nature.
ToSTerms of Service; Binding rules established by and for the individual platform that (1) define the scope and responsibility of HSPs towards users and (2) appropriate and permitted, but also prohibited usage practices. Users must comply with them if they wish to continue using the service offered by HSPs.

Numerous synonyms for ToS exist, e.g. Terms of Use, Terms and Conditions or Community Standards