Neither a movement nor a school with a definite program, Der Blaue Reiter was a loosely knit organization of artists that organized group shows between 1911 and 1914.
Under Rutherford's leadership, Russell's group became a tightly knit organization.
Abu Sayyaf, the group that military officials say abducted him, is a loosely knit organization of Islamic extremists who have been responsible for some of the most violent acts in the area in the last decade, including kidnappings, beheadings and bombings.
He is often cited as an example of how Al Qaeda has transformed itself from a tightly knit organization into a far-flung operation comprising free-lance terrorists, drawing on Mr. bin Laden mostly for inspiration and technique.
The N17 group was a small close knit organization of 22 individuals with 63 links out of a potential 231 links.
But Congressional leaders said the C.I.A. should be put on a war footing and given the freedom not only to penetrate but also to destroy tightly knit terrorist organizations.
By doing so, he added a new dimension to the age-old opposition of the mighty feudal subject to the crown: that opposition was now backed by a tightly knit military organization based on the Huguenot communities, by the financial contributions of wealthy bankers and businessmen, and by the dedicated religious zeal of the faithful, inspired by the example of Geneva.
Nathan Brown made that point about the Muslim Brotherhood recently in The New Republic: "The tight-knit organization built for resilience under authoritarianism made for an inward-looking, even paranoid movement when it tried to refashion itself as a governing party".
Coming in for the injured Isles, Ebner joined a tight-knit organization with its own drills, skills and dialect – if not a "comms book", which the NFL player asked for, confusing everybody.
It is a sign of the family threads woven through the close-knit organization that Dr. Zumoff, the 76-year-old son of a Philadelphia shirt-cutter member, has been camp doctor for the last 45 years.
