簧目紙的紋理中間隔較寬的線條，產生自製紙托盤底部的金屬網線。橫紋則是與直紋相交的細線條。

直紋(線條)　(P,,U,繁體中文-偏好,D,,)
chih wen (P,,U,韋氏拼音-偏好,UF,U,U)
zhí wén (P,,U,漢語拼音-偏好,UF,U,U)
zhi wen (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
chain lines(P,,V,英文-偏好,D,U,PN)
chain line(,U,英文-非偏好,AD,U,SN)
lines, chain(,U,英文-非偏好,UF,U,N)
chain-line(,V,英文-非偏好,UF,U,N)
chain marks(,V,英文-非偏好,UF,U,N)

藝術與建築詞典根目錄
....物件層面
........視覺及語言傳達
............資訊形式 (層級名)
................<資訊形式 (先導詞)>
....................<文件類型>
........................<依功能區分之文件類型>
............................<識別符號與標誌>
................................符號 (標誌)
....................................<依地點位置或背景脈絡區分之標記>
........................................直紋 (線條)

contextual thing(s) are....	直紋紙
conjuncted with....	橫紋

英文....	The more widely spaced lines visible in the texture of laid paper, made by the wire mesh at the bottom of the tray in which it is made. Laid lines are the fine lines running through the chain lines.

直紋(線條)............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
chain lines............	[VP]
.................	Roberts and Etherington, Bookbinding and the Conservation of Books (1982) 51
.................	Hunter, Papermaking: History of an Ancient Craft (1947) index
.................	Labarre, Dictionary and Encyclopaedia of Paper (1952) 44
.................	Landau, Encyclopedia of Librarianship (1961) 75
.................	Carter, ABC for Book Collectors (2004) 59
chain line............	[VP]
.................	Getty Vocabulary Program rules
lines, chain............	[VP]
.................	Getty Vocabulary Program rules
chain-line............	[VP]
.................	Oxford English Dictionary Online (2002-)
chain marks............	[VP]
.................	Roberts and Etherington, Bookbinding and the Conservation of Books (1982) 51
.................	Labarre, Dictionary and Encyclopaedia of Paper (1952) 44

Getty AAT: 300266689 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300266689
聯合目錄： 直紋 、chih wen 、zhí wén 、zhi wen 、chain lines 、chain line 、lines, chain 、chain-line 、chain marks