1) GBO can mean "Gross Box Office": "Licence fees for amateur rights are as follows: PLAYS Amateur Theatre/Musical Societies * $150 per performance + GST (if applicable) or 10% Gross Box Office (GBO) whichever is greater" Source and further information: http://www.cameronsmanagement.com.au/amateurrights.html I assume that NBO would then mean "Net Box Office". 2) "Motion picture and television production and distribution are highly competitive businesses. The Company competes with other film studios, independent production companies and others for the acquisition of artistic properties, the services of creative and technical personnel, exhibition outlets and the public's interest in its products. The number of films released by the Company's competitors, particularly the other major film studios, in any given period may create an oversupply of product in the market, and that may reduce the Company's shares of gross box office admissions and may make it more difficult for the Company's films to succeed." Motion picture and television production and distribution are highly competitive businesses. The Company competes with other film studios, independent production companies and others for the acquisition of artistic properties, the services of creative and technical personnel, exhibition outlets and the public's interest in its products. The number of films released by the Company's competitors, particularly the other major film studios, in any given period may create an oversupply of product in the market, and that may reduce the Company's shares of gross box office admissions and may make it more difficult for the Company's films to succeed. Source and further information: http://sec.edgar-online.com/2002/09/20/0000950130-02-006624/Section2.asp