Review of external sources - types of digital sources and materials

1. Multimedia digital sources

Multimedia digital resources include a wide range of materials that combine multiple types of media, including text, images, audio, and video. In an educational context, multimedia content is used to illustrate or explain complex concepts, helping students better understand the material by engaging different senses.

Examples:

• educational videos and lectures on platforms such as YouTube or Vimeo
• interactive presentations that include images, sound effects, animations, and video content
• podcasts and audio materials that support learning through listening

Protection:

Multimedia content often contains copyrighted material and requires careful license management. Protected materials may be subject to Digital Rights Management (DRM) to prevent unauthorised distribution. For sensitive video or audio materials, encryption and access control are recommended.

Source:

• Creative Commons: for managing usage rights of multimedia materials

2. Digital information sources

Informational digital resources provide data, news, reports, and articles that serve as essential learning materials. Such sources include digital journals, news articles, research reports, and educational portals that cover a wide range of topics.

Examples:

• online encyclopedias such as Wikipedia or specialised educational portals like Khan Academy
• digital journals and scholarly articles available through academic databases such as JSTOR or Google Scholar

Protection:

Many informational sources come with usage licenses or copyright restrictions. Protected sources may have limited access or require a subscription. To safeguard data and intellectual property, it is important to apply measures that prevent unauthorised copying and to manage access rights appropriately.

Source:

• Google Scholar
• JSTOR

3. Software products and tools

Software products and tools include software applications and platforms used for education or as educational tools. These materials may take the form of simulations, educational tools, programming‑learning applications, or specialised tools for solving mathematical or scientific problems.

Examples:

• educational software such as GeoGebra, Scratch, or Moodle 
• science‑learning simulations such as PhET Interactive Simulations 
• e‑learning programs such as LMS platforms (Learning Management Systems) that enable tracking and managing learning

Protection:

Software tools and products are typically protected by software licenses and subject to copyright. It is important to manage licenses for each tool, and many commercial products require active license verification and serial numbers for legal use.

Source:

• GeoGebra (educational tool)

4. Digital repositories and databases

Digital repositories and databases contain stored resources that enable the storage, retrieval, and access to educational materials. These repositories may include theses, research papers, books, or educational resources that are stored and distributed online.

Examples:

• digital repositories such as arXiv for scientific papers
• online databases such as ERIC (Education Resources Information Center) for access to educational materials 
• open‑access archives such as PubMed Central for medical and biological sciences

Protection:
Databases and repositories typically require security protocols for accessing data, including user authentication and authorisation. Copyright protection in digital repositories ensures that only authorised users can access certain materials

Sources:

• ERIC
• arXiv

5. Protected and licensed sources

Protected and licensed sources refer to digital materials that are subject to intellectual property rights, such as copyrights, patents, and trademarks. The use of such materials must comply with licensing terms.

Examples:

• commercial e‑books, such as Kindle or Google Books
• paid learning platforms such as Udemy or LinkedIn Learning 
• Software as a Service (SaaS) tools such as Microsoft Office 365 and Adobe Creative Cloud

Protection:

Protected sources require adherence to usage and licensing conditions. Access to these materials may be restricted depending on the type of license (e.g., an End‑User License Agreement, EULA). Many protected sources use DRM technology to prevent piracy and unauthorised sharing.

Sources:

• Creative Commons Licenses
• Adobe Licensing