Most 401 (k) plans in the sample that have a mutual fund trustee
adopt an open architecture, whereby investment options include not only funds from the trustee's family but from other mutual fund families as well.
It occurs in a variety of forms, from the Lombard band, which is a row of small arches that appear to support a roofline or course, to shallow blind arcading that is often a feature of English
architecture and is seen in great variety at Ely Cathedral, to the
open dwarf gallery, first used at Speyer Cathedral and widely
adopted in Italy as seen on both Pisa Cathedral and its famous Leaning Tower.