What do these different Mobility Opportunity types mean? - Knowledgebase / Erasmus+ / Erasmus+ Tools - School Education Gateway Support

What do these different Mobility Opportunity types mean?

Job shadowing is for students, recent graduates, teachers and other members of the school staff. It offers participants the chance to work at a host school/organisation abroad, alongside professionals who have specific knowledge about an occupation or career in which the participants may be interested.
Long-term teaching assignments are suitable for students, recent graduates, and teachers. They offer participants the chance to undertake teaching assignments focused on their area of expertise or interest at a host school/organisation abroad, for a period of 5 months or longer.
Short-term teaching assignments correspond to a period under 5 months.
Placement and assistantship for students is aimed at students and recent graduates. This type of opportunity offers participants the chance to undertake a placement or assistantship.
Teaching/classroom assistant is a position for teachers and other members of the school staff, allowing the participants to undertake a teaching/classroom assistantship.
Other mobility opportunities contain miscellaneous offers, e.g. observation visits or seminars.