Liminal spaces I & II c/o Nan Mulder
Learning, starting a course of study at whatever stage in life is often likened to a 'journey'. The term liminality is applied to this experience, with its spiritual and transformative connotations, an education rite-of-passage; also specifically in reference to threshold concepts:
https://www.ee.ucl.ac.uk/~mflanaga/popupLiminality.html
Images with thanks to Nan Mulder:
https://www.nanmulder.com/
See also: 'periplus'.
My source: Printmaking Today Summer 2022, 31:122, p.7.
https://www.cellopress.co.uk/page/printmaking-today